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4篇 您的检索式:作者名="Hasebe Mitsuhiro"
    题名 作者 年代 出处 被引量
1Generalized Nb (C, N) precipitation model applicable to extra low carbon steel显示文摘Akamatsu Satoshi Senuma Takehide Hasebe Mitsuhiro 1992ISU International1992,32,3:1
2Calculation of Fe-C-B ternary phase diagram 显示文摘Hiroshi Ohtani Mitsuhiro Hasebe Kiyohito Ishida 1988Transactions ISIJ1988,28,:1
3Calculation of Fe-C-B ternary phase diagram 显示文摘Ohtani Hiroshi Hasebe Mitsuhiro Ishida Kiyohito 1988Transactions ISU1988,28,:1
4Evaluation of the amorphous-forming ability of M-Si-B ternary alloys using CALPHAD approach显示文摘A thermodynamic study has been carried out on M-Si-B (M=Fe, Ni) ternary systems. A regular solution approximation based on the sublattice model was adopted to describe the Gibbs energy for the individual phases in the binary and ternary systems. Thermodynamic parameters for each phase were evaluated by using the experimental data. These parameters enabled us to obtain reproducible calculations of the isothermal and vertical section diagrams. The amorphous-forming ability of M-Si-B ternary alloys has been evaluated by introducing thermodynamic quantities obtained from the phase diagram calculations into Davies-Uhlmann kinetic formulations. For the computation, the time-temperature- transformation (TTT) diagram, which gives the time necessary for the formation of the detectable amount of crystal during transformation, was obtained at a finite temperature. The critical cooling rate for amorphization could be defined as the minimum cooling speed that does not intersect the TTT curve and, hence, these critical cooling rates enable us to evaluate the glass-forming ability of M-Si-B ternary alloys. The driving force for the crystallization of the crystalline phase was derived, on the basis of the thermodynamic functions of each phase formulated by the present study. The calculated results showed good agreement with the experimental data on the compositional range of amorphization in these alloy systems.長谷部光弘 OHTANI Hiroshi HASEBE Mitsuhiro 2005材料与冶金学报2005,4,2:0
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